JIT

GH-132554: "Virtual" iterators #3437

Job	Run time
Interpreter (Debug)	9m 54s
i686-pc-windows-msvc/msvc (Debug)	21m 20s
i686-pc-windows-msvc/msvc (Release)	11m 52s
x86_64-pc-windows-msvc/msvc (Debug)	24m 12s
x86_64-pc-windows-msvc/msvc (Release)	14m 26s
aarch64-pc-windows-msvc/msvc (Debug)	21m 25s
aarch64-pc-windows-msvc/msvc (Release)	19m 1s
x86_64-apple-darwin/clang (Debug)	17m 39s
x86_64-apple-darwin/clang (Release)	12m 3s
aarch64-apple-darwin/clang (Debug)	11m 24s
aarch64-apple-darwin/clang (Release)	9m 13s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 52s
x86_64-unknown-linux-gnu/gcc (Release)	6m 25s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 42s
aarch64-unknown-linux-gnu/gcc (Release)	6m 7s
	3h 23m 35s

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